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Sanya Tomic
Partner
Sidell Gibson Architects
Sidell Gibson & Atelier Jean Nouvel used a complex glazing treatment
Treated glass with subtle change in the façade from opaque and matt to transparent
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Sanya joined Sidell Gibson in 1995 and has played a major role in a number of large mixed use and office developments in the City of London.
Sanya successfully led a team of architects and consultants and was responsible for completion of detailed design and delivery of One New Change, a £300m prestigious office and retail development in the City of London, working for Land Securities and in association with French architects Atelier Jean Nouvel.
Q: What's the most innovative surface solution you've used?
On One New Change, Sidell Gibson worked with Jean Nouvel and his team to deliver his concept of the complex glazing treatment. It made a subtle change in the façade from opaque and matt to transparent. The frit used on the envelope was the most complex aspect of the cladding, involving nearly 289 different patterns for most of the 6,500 individual pieces of glass, 21 different colours and minimum repetition. We developed the dot patterns that transform from an oval into a parallelogram, while the percentage of frit coverage gradually changes from 90% to 10%
Q: What were the results?
A: It’s the first building to screen-print a white etch frit pattern onto the exterior face of glass. A key reason why the technique was chosen is that the pattern mitigates the reflective nature of the glass as well as creating a highly unusual effect.
Q: Did you have any problems with this surface?
A: The main concern was that weathering could modify the appearance of the glass. We solved this by using the colour frit on surface 3, where the frit is encapsulated within the glass laminate and not exposed to the atmosphere in the finished installation. The white etch frit is applied to the surface 1 of the glass. The other concern was the requirement for cleaning and maintenance, which was tested on the mock up before the final application was approved.
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For more information on Sidell Gibson Architects visit www.sidellgibson.co.uk
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